150 lines
5.4 KiB
C++
150 lines
5.4 KiB
C++
/***************************************************************************
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* Copyright (c) 2016 WandererFan <wandererfan@gmail.com> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#include "PreCompiled.h"
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#ifndef _PreComp_
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# include <sstream>
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# include <gp_Ax2.hxx>
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# include <gp_Pnt.hxx>
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# include <TopoDS.hxx>
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# include <TopoDS_Compound.hxx>
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# include <TopoDS_Shape.hxx>
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#endif
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#include <Base/Console.h>
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#include "GeometryObject.h"
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#include "DrawUtil.h"
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#include "DrawViewMulti.h"
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using namespace TechDraw;
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//===========================================================================
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// DrawViewMulti
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//===========================================================================
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PROPERTY_SOURCE(TechDraw::DrawViewMulti, TechDraw::DrawViewPart)
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DrawViewMulti::DrawViewMulti()
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{
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static const char *group = "Projection";
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//properties that affect Geometry
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ADD_PROPERTY_TYPE(Sources ,(nullptr), group, App::Prop_None, "3D Shapes to view");
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Sources.setScope(App::LinkScope::Global);
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//Source is replaced by Sources in Multi
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Source.setStatus(App::Property::ReadOnly, true);
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Source.setStatus(App::Property::Hidden, true);
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geometryObject = nullptr;
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}
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DrawViewMulti::~DrawViewMulti()
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{
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}
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short DrawViewMulti::mustExecute() const
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{
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if (!isRestoring() && Sources.isTouched()) {
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return true;
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}
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return TechDraw::DrawViewPart::mustExecute();
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}
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void DrawViewMulti::onChanged(const App::Property* prop)
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{
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if (!isRestoring()) {
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//Base::Console().Message("TRACE - DVM::onChanged(%s) - %s\n", prop->getName(), Label.getValue());
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if (prop == &Sources) {
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const std::vector<App::DocumentObject*>& links = Sources.getValues();
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if (!links.empty()) {
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Source.setValue(links.front());
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}
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}
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}
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DrawViewPart::onChanged(prop);
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}
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App::DocumentObjectExecReturn *DrawViewMulti::execute()
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{
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if (!keepUpdated()) {
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return App::DocumentObject::StdReturn;
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}
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const std::vector<App::DocumentObject*>& links = Sources.getValues();
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if (links.empty()) {
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Base::Console().Log("INFO - DVM::execute - No Sources - creation?\n");
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return DrawView::execute();
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}
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m_compound = TopoDS::Compound(getSourceShape());
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if (m_compound.IsNull()) {
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return new App::DocumentObjectExecReturn("DVP - Linked shape object(s) is invalid");
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}
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TopoDS_Compound comp = m_compound;
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gp_Pnt inputCenter;
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try {
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inputCenter = ShapeUtils::findCentroid(comp,
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Direction.getValue());
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shapeCentroid = Base::Vector3d(inputCenter.X(), inputCenter.Y(), inputCenter.Z());
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TopoDS_Shape mirroredShape = ShapeUtils::mirrorShape(comp,
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inputCenter,
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getScale());
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gp_Ax2 viewAxis = getViewAxis(Base::Vector3d(inputCenter.X(), inputCenter.Y(), inputCenter.Z()), Direction.getValue());
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if (!DrawUtil::fpCompare(Rotation.getValue(), 0.0)) {
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mirroredShape = ShapeUtils::rotateShape(mirroredShape,
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viewAxis,
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Rotation.getValue());
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}
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geometryObject = buildGeometryObject(mirroredShape, viewAxis);
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#if MOD_TECHDRAW_HANDLE_FACES
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extractFaces();
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#endif //#if MOD_TECHDRAW_HANDLE_FACES
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}
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catch (Standard_Failure& e1) {
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return new App::DocumentObjectExecReturn(e1.GetMessageString());
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}
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requestPaint();
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return App::DocumentObject::StdReturn;
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}
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// Python Drawing feature ---------------------------------------------------------
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namespace App {
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/// @cond DOXERR
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PROPERTY_SOURCE_TEMPLATE(TechDraw::DrawViewMultiPython, TechDraw::DrawViewMulti)
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template<> const char* TechDraw::DrawViewMultiPython::getViewProviderName() const {
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return "TechDrawGui::ViewProviderViewProviderViewPart";
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}
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/// @endcond
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// explicit template instantiation
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template class TechDrawExport FeaturePythonT<TechDraw::DrawViewMulti>;
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}
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